<!DOCTYPE html>
<html>
	<head>
		<meta charset="UTF-8">
		<title></title>
		<style type="text/css">
			div{
				width: 120px;
				height: 48px;
				background: #0CF;
				float: left;
				opacity: 0.7;
				border: 2px solid #FFF;
				border-radius: 50px;
				text-align: center;
				line-height: 48px;
				color: #000;
			}
			.second,.third,.fourth{
				margin-left: -15px;
			}
		</style>
	</head>
	<body>
		<div class="first">首页</div>
		<div class="second">公司简介</div>
		<div class="first">产品</div>
		<div class="fourth">联系我们</div>
	</body>
</html>
